Jenkins: labels, prioritize latest commit

ci/Jenkinsfile

@@ -1,7 +1,7 @@
 pipeline {
   agent none
   options {
-    disableConcurrentBuilds()
+    disableConcurrentBuilds(abortPrevious: true)
     buildDiscarder(logRotator(numToKeepStr: '8', daysToKeepStr: '20'))
     timeout(time: 1, unit: 'HOURS')
   }
@@ -36,30 +36,33 @@ pipeline {
       echo $HOME
       ls
     '''
-    sh '''#!/bin/bash -ex
+    sh label: "build CUFINUFFT", script: '''#!/bin/bash -ex
         cd finufft
         # v100 cuda arch
         cuda_arch="70"
-
-        cmake -B build . -DFINUFFT_USE_CUDA=ON \
-                         -DFINUFFT_USE_CPU=OFF \
-                         -DFINUFFT_BUILD_TESTS=OFF \
-                         -DCMAKE_CUDA_ARCHITECTURES="$cuda_arch" \
-                         -DBUILD_TESTING=ON
+        mkdir build
         cd build
-        make -j4
+        cmake .. -DFINUFFT_USE_CUDA=ON \
+                  -DFINUFFT_USE_CPU=OFF \
+                  -DFINUFFT_BUILD_TESTS=OFF \
+                  -DCMAKE_CUDA_ARCHITECTURES="$cuda_arch" \
+                  -DBUILD_TESTING=OFF \
+                  -DCMAKE_BUILD_TYPE=RelWithDebInfo
+        cmake --build . -j 4
     '''
 
     sh '${PYBIN}/python3 -m venv $HOME'
-    sh '''#!/bin/bash -ex
+    sh label: "set up virtual environment", script: '''#!/bin/bash -ex
       source $HOME/bin/activate
       python3 -m pip install --upgrade pip
       # we could also move pytorch install inside docker
       python3 -m pip install "torch~=2.1.0" --index-url https://download.pytorch.org/whl/cu118
       python3 -m pip install finufft/python/cufinufft
 
       python3 -m pip install -e .[dev] # can make [dev,cuda] once cufinufft released?
-
+    '''
+    sh label: "run tests", script: '''#!/bin/bash -ex
+      source $HOME/bin/activate
       python3 -m pytest -k "cuda" tests/ --cov -v --error-for-skips --durations=20
     '''
       }